Russian fans are very, very passionate about hockey. If you need proof, look no further than the buildup for the upcoming KHL game between heated-rivals Avangard Omsk and Vityaz Chekhov. Avangard’s best player is former DC malcontent Jaromir Jagr, while Vityaz – known more for its boxing than hockey skill – has former Caps Brandon Sugden, Chris Simon, and Darcy Verot filling out their ranks.

The team’s beefs with each other have been simmering for a while now, stemming from one sad event. During the 2008-09 KHL season, Avangard’s Alexei Cherepanov passed out on the bench during a game against Vityaz in Chekhov. He later died. The cause of his death filled headlines in Russia for years, with both teams getting their fair share of the blame. Wikipedia’s wordy explanation is the most fair: